1) sin(4*(-п/3)-2*п/6)=sin(-8п/6-2п/6)=sin2п=0
Объяснение:
![6x {}^{2} - 0.24 = 0 \\ \\ 25x {}^{2} - 1 = 0 \\ \\ 25x {}^{2} = 1 \\ \\ x1 = - \frac{1}{5} \\ \\ x2 = \frac{1}{5}](https://tex.z-dn.net/?f=6x%20%7B%7D%5E%7B2%7D%20%20-%200.24%20%3D%200%20%5C%5C%20%20%5C%5C%2025x%20%7B%7D%5E%7B2%7D%20%20-%201%20%3D%200%20%5C%5C%20%20%5C%5C%2025x%20%7B%7D%5E%7B2%7D%20%20%3D%201%20%5C%5C%20%20%5C%5C%20x1%20%3D%20%20-%20%20%5Cfrac%7B1%7D%7B5%7D%20%20%5C%5C%20%20%5C%5C%20x2%20%3D%20%20%5Cfrac%7B1%7D%7B5%7D%20)
<h3>~•~•~•ZLOY_TIGROVSKIY~•~•~•</h3>
![P(A)= \frac{44}{50}* \frac{26}{50}= \frac{286}{625}=0,4576\\\\P(B)= \frac{44}{50}*(1- \frac{26}{50})= \frac{44}{50}* \frac{24}{50}= \frac{264}{625}=0,4224\\\\P(C)=(1- \frac{44}{50})* \frac{26}{50}= \frac{6}{50}* \frac{26}{50}= \frac{39}{625}=0,0624\\\\\\ \frac{44}{x}* \frac{26}{x}= \frac{44}{x}*(1- \frac{26}{x})|* \frac{x}{44} \\\\ \frac{26}{x}= \frac{x-26}{x}|*x\\\\x-26=26\\x=26+26\\x=52](https://tex.z-dn.net/?f=P%28A%29%3D+%5Cfrac%7B44%7D%7B50%7D%2A+%5Cfrac%7B26%7D%7B50%7D%3D+%5Cfrac%7B286%7D%7B625%7D%3D0%2C4576%5C%5C%5C%5CP%28B%29%3D++%5Cfrac%7B44%7D%7B50%7D%2A%281-+%5Cfrac%7B26%7D%7B50%7D%29%3D+++%5Cfrac%7B44%7D%7B50%7D%2A+%5Cfrac%7B24%7D%7B50%7D%3D+%5Cfrac%7B264%7D%7B625%7D%3D0%2C4224%5C%5C%5C%5CP%28C%29%3D%281-+%5Cfrac%7B44%7D%7B50%7D%29%2A+%5Cfrac%7B26%7D%7B50%7D%3D+%5Cfrac%7B6%7D%7B50%7D%2A+%5Cfrac%7B26%7D%7B50%7D%3D+%5Cfrac%7B39%7D%7B625%7D%3D0%2C0624%5C%5C%5C%5C%5C%5C+%5Cfrac%7B44%7D%7Bx%7D%2A+%5Cfrac%7B26%7D%7Bx%7D%3D+%5Cfrac%7B44%7D%7Bx%7D%2A%281-+%5Cfrac%7B26%7D%7Bx%7D%29%7C%2A+%5Cfrac%7Bx%7D%7B44%7D+%5C%5C%5C%5C+%5Cfrac%7B26%7D%7Bx%7D%3D+%5Cfrac%7Bx-26%7D%7Bx%7D%7C%2Ax%5C%5C%5C%5Cx-26%3D26%5C%5Cx%3D26%2B26%5C%5Cx%3D52+++++++++++++)
Итак, 50 надо поменять на число 52. Тогда ответы в 1) и 2) будут одинаковы.
Решение уравнения на фото
7.8 x 11 = 85.8
тк - 11,9 c минусом , то -11,9 + 85,8 = 73.9